Rigid Industries 22004 Radiance 20" Amber Backlight Light Bar High-Grade Aluminum Alloy Housing and Heatsink Black Powder Coated Mounting Brackets Dedicated Wire to run Back-Lighting without Primary LEDs IP68 Compliant - Dust / Water Ingress. High Impact Polycarbonate Lens GORE Pressure Equalizing Vent. 9-15 volt DC Designed, engineered and assembled in USA